<template>
	<view class="container">
		<view class="page-body">
			<view class='wrapper'>
				<view class='toolbar' @tap="format">
					<view :class="formats.bold ? 'ql-active' : ''" class="iconfont icon-zitijiacu" data-name="bold">
					</view>

					<view :class="formats.italic ? 'ql-active' : ''" class="iconfont icon-zitixieti" data-name="italic">
					</view>

					<view :class="formats.underline ? 'ql-active' : ''" class="iconfont icon-zitixiahuaxian"
						data-name="underline"></view>

					<view :class="formats.strike ? 'ql-active' : ''" class="iconfont icon-zitishanchuxian"
						data-name="strike"></view>

					<view :class="formats.align === 'left' ? 'ql-active' : ''" class="iconfont icon-zuoduiqi"
						data-name="align" data-value="left"></view>

					<view :class="formats.align === 'center' ? 'ql-active' : ''" class="iconfont icon-juzhongduiqi"
						data-name="align" data-value="center"></view>

					<view :class="formats.align === 'right' ? 'ql-active' : ''" class="iconfont icon-youduiqi"
						data-name="align" data-value="right"></view>

					<view :class="formats.align === 'justify' ? 'ql-active' : ''" class="iconfont icon-zuoyouduiqi"
						data-name="align" data-value="justify"></view>

					<view :class="formats.lineHeight ? 'ql-active' : ''" class="iconfont icon-line-height"
						data-name="lineHeight" data-value="2"></view>

					<view :class="formats.letterSpacing ? 'ql-active' : ''" class="iconfont icon-Character-Spacing"
						data-name="letterSpacing" data-value="2em"></view>

					<view :class="formats.marginTop ? 'ql-active' : ''" class="iconfont icon-722bianjiqi_duanqianju"
						data-name="marginTop" data-value="20px"></view>

					<view :class="formats.previewarginBottom ? 'ql-active' : ''"
						class="iconfont icon-723bianjiqi_duanhouju" data-name="marginBottom" data-value="20px"></view>

					<!-- <view :class="formats.fontFamily ? 'ql-active' : ''" class="iconfont icon-font"
						data-name="fontFamily" data-value="Pacifico"></view> -->

					<view :class="formats.fontSize === '24px' ? 'ql-active' : ''" class="iconfont icon-fontsize"
						data-name="fontSize" data-value="24px"></view>

					<view :class="formats.color === '#0000ff' ? 'ql-active' : ''" class="iconfont icon-text_color"
						data-name="color" data-value="#0000ff"></view>

					<view :class="formats.backgroundColor === '#00ff00' ? 'ql-active' : ''"
						class="iconfont icon-fontbgcolor" data-name="backgroundColor" data-value="#00ff00"></view>

					<view class="iconfont icon--checklist" data-name="list" data-value="check"></view>

					<view :class="formats.list === 'ordered' ? 'ql-active' : ''" class="iconfont icon-youxupailie"
						data-name="list" data-value="ordered"></view>

					<view :class="formats.list === 'bullet' ? 'ql-active' : ''" class="iconfont icon-wuxupailie"
						data-name="list" data-value="bullet"></view>

					<view class="iconfont icon-outdent" data-name="indent" data-value="-1"></view>
					<view class="iconfont icon-indent" data-name="indent" data-value="+1"></view>

					<view :class="formats.header === 1 ? 'ql-active' : ''" class="iconfont icon-format-header-1"
						data-name="header" :data-value="1"></view>

					<view :class="formats.script === 'sub' ? 'ql-active' : ''" class="iconfont icon-zitixiabiao"
						data-name="script" data-value="sub"></view>

					<view :class="formats.script === 'super' ? 'ql-active' : ''" class="iconfont icon-zitishangbiao"
						data-name="script" data-value="super"></view>

					<!-- <view :class="formats.direction === 'rtl' ? 'ql-active' : ''" class="iconfont icon-direction-rtl"
						data-name="direction" data-value="rtl"></view> -->
					<view class="iconfont icon-fengexian" @tap="insertDivider"></view>
					<!-- <view class="iconfont icon-clearedformat" @tap="removeFormat"></view> -->
					<view class="iconfont icon-charutupian" @tap="insertImage"></view>
					<view class="iconfont icon-date" @tap="insertDate"></view>
					<view class="iconfont icon-shanchu" @tap="clear"></view>
					<view class="iconfont icon-undo" @tap="undo"></view>
					<view class="iconfont icon-redo" @tap="redo"></view>
				</view>

				<editor id="editor" class="ql-container" placeholder="开始输入..." showImgSize showImgToolbar showImgResize
					@statuschange="onStatusChange" :read-only="false" @ready="onEditorReady" @input="getContents">
				</editor>
			</view>
		</view>

	</view>
</template>

<script>
	export default {
		data() {
			return {
				formats: {},
				timer: null,
				editorDetail: "",
			}
		},
		mounted() {
			this.onEditorReady();
			console.log('-------------this', this)
			// 将数据渲染到富文本内
			this.timer = setInterval(() => {
				if (this.editorDetail) {
					clearInterval(this.timer)
					//延时0.5秒 方便接收缓存的上次内容
					setTimeout(res => {
						this.editorCtx.setContents({
							html: this.editorDetail,
							success(res) {
								console.log('--------', res);
							}
						})
					}, 500)
				}
			}, 100)
		},

		created() {
			//获取缓存的内容
			var lastContent = wx.getStorageSync('getContents');
			if (lastContent && lastContent.html) {
				this.editorDetail = lastContent.html
			}
		},

		methods: {
			// 失去焦点时触发，获取富文本的内容
			getContents() {
				let _this = this
				this.editorCtx.getContents({
					success(res) {
						// let content = res; 
						// 获取富文本编辑器的内容
						uni.$emit('getContents', res)
						// 存储富文本内容 方便下次显示
						wx.setStorageSync('getContents', res);
					}
				})
			},
			//编辑框初始化时触发
			onEditorReady() {
				uni.createSelectorQuery().select('#editor').context((res) => {
					this.editorCtx = res.context;
				}).exec()
			},
			//撤销
			undo() {
				this.editorCtx.undo()
			},
			//恢复
			redo() {
				this.editorCtx.redo()
			},
			format(e) {
				let {
					name,
					value
				} = e.target.dataset
				if (!name) return
				this.editorCtx.format(name, value)

			},
			//通过 Context 方法改变编辑器内样式时触发，返回选区已设置的样式
			onStatusChange(e) {
				this.formats = e.detail
				console.log(e);
			},
			//插入分隔符
			insertDivider() {
				this.editorCtx.insertDivider({
					success: function() {
						console.log('insert divider success')
					}
				})
			},
			//清空全部内容
			clear() {
				this.editorCtx.clear({
					success: function(res) {
						console.log("clear success")
					}
				})
			},
			//清除样式
			removeFormat() {
				this.editorCtx.removeFormat()
			},
			//插入当前日期
			insertDate() {
				const date = new Date()
				const formatDate = `${date.getFullYear()}/${date.getMonth() + 1}/${date.getDate()}`
				this.editorCtx.insertText({
					text: formatDate
				})
			},
			//插入图片
			insertImage() {
				var that = this;
				uni.chooseImage({
					count: 1,
					success: (res) => {
						const tempFilePaths = res.tempFilePaths;
						uni.uploadFile({
							url: "上传图片的接口.........",
							filePath: tempFilePaths[0],
							name: 'image',
							success: (uploadFileRes) => {
								console.log(data, "返回照片地址")
								that.editorCtx.insertImage({
									src: url, // 根据实际情况接入就行
									alt: '图像',
									success: function() {}
								})
							},
							fail: () => {
								uni.hideLoading();
								that.showToast("图片上传失败，请联系开发！")
							}
						});
					}
				})
			}
		},
	}
</script>

<style>
	@import './style/editor-icon.css';

	.wrapper {
		padding: 5px;
	}

	.iconfont {
		display: inline-block;
		padding: 15px;
		width: 24px;
		height: 24px;
		cursor: pointer;
		font-size: 20px;
	}

	.toolbar {
		box-sizing: border-box;
		border-bottom: 0;
		font-family: 'Helvetica Neue', 'Helvetica', 'Arial', sans-serif;
		background-color: #ffffff;
		position: -webkit-sticky;
		display: flex;
		flex-wrap: wrap;
		position: sticky;
		top: var(--window-top);
		z-index: 99;
		height: 190rpx;
	}

	.ql-container {
		box-sizing: border-box;
		padding: 12px 15px;
		width: 100%;
		min-height: 30vh;
		height: auto;
		background: #fff;
		margin-top: 10px;
		font-size: 16px;
		line-height: 1.5;
	}

	.ql-active {
		color: #06c;
	}
</style>